Report ..., Volumes 9-17U.S. Government Printing Office, 1929 |
From inside the book
Results 1-5 of 58
Page 16
... removal as often as necessary is the usual available recourse . Where they grow luxuriantly , use of weed - killing chemicals might be desirable . In a western mill yard about a hun- dred sheep were turned in and quickly cleaned up the ...
... removal as often as necessary is the usual available recourse . Where they grow luxuriantly , use of weed - killing chemicals might be desirable . In a western mill yard about a hun- dred sheep were turned in and quickly cleaned up the ...
Page 34
... removed in dressing , the area below the sticker may have been compressed and may subse- quently swell and shrink by an amount different from that of adja- cent areas , with a resulting variation in thickness along the length of the ...
... removed in dressing , the area below the sticker may have been compressed and may subse- quently swell and shrink by an amount different from that of adja- cent areas , with a resulting variation in thickness along the length of the ...
Page 69
... removal and replenishment from time to time . ( Fig . 44. ) Of the progressive kilns reported in the questionnaires ... removed at the same time . Conditions within the kiln are varied to suit the condition of the stock - milder heat ...
... removal and replenishment from time to time . ( Fig . 44. ) Of the progressive kilns reported in the questionnaires ... removed at the same time . Conditions within the kiln are varied to suit the condition of the stock - milder heat ...
Page 72
... removing the surplus moisture by a pipe or water- spray condenser ; but there is no commercial kiln of such a type of- fered at the present time . A blower kiln of pipe - condenser type was formerly manufactured but has been replaced by ...
... removing the surplus moisture by a pipe or water- spray condenser ; but there is no commercial kiln of such a type of- fered at the present time . A blower kiln of pipe - condenser type was formerly manufactured but has been replaced by ...
Page 82
... removed at one time , requiring more room and outside track to handle it ; and at the same time a new charge must also have been assembled outside the kiln ready to put in . Compartment kilns of a like capacity of output therefore take ...
... removed at one time , requiring more room and outside track to handle it ; and at the same time a new charge must also have been assembled outside the kiln ready to put in . Compartment kilns of a like capacity of output therefore take ...
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Other editions - View all
Common terms and phrases
air-drying air-seasoning black gum blue stain bottom brown stain Bureau California pine cents per copy chemical chestnut chimney circulation cleats Committee on Wood compartment kilns courtesy of Forest creosote crossers decay degrade develop Douglas fir dried dry-kiln Forest Products Laboratory fungi fungus grades handling heartwood heat humidity inches industry interior kiln-drying layers length load logs material method mill moisture content Nail National Committee nonutilized wood operation Photograph courtesy pieces 16 pile pipes Planer shavings Pondosa poplar practice prevent progressive kiln red gum roof sap stain sapwood sawmill seasoning shown in Figure shows side small dimension stock Sodium bicarbonate softwoods southern hardwood southern pine spacing species steam stickers storage sugar pine surface temperature tests thickness timber tion usually waste western white pine white pine width WOOD UTILIZATION y. p. Edgings y. p. Sawdust y. p. Slabs yard yellow pine zinc chloride
Popular passages
Page 8 - Board, and the Bureau of Foreign and Domestic Commerce of the Department of Commerce.
Page 1 - ... preservative must displace or compress the air in the wood. After the retort is filled, additional preservative is forced into the cylinder by means of pressure pumps, the pressure being gradually raised to and maintained at 125 to 175 Ib.
Page 40 - US DEPARTMENT OF AGRICULTURE. Forest Service. 1920. Timber depletion and the answer. A summary of the report on timber depletion and related subjects prepared in response to Senate Resolution 311. US Dept.
Page 118 - Manual of Design and Installation of the Forest Service Water-Spray Dry Kiln. By LV Teesdale. Department of Agriculture Bulletin 894, October 18. 1920. Price, 10 cents. A good manual for this type of kiln. The Theory of Drying and its Application to the New Humidity Regulated and Recii-culating Dry Kiln.
Page 10 - DC, works in close cooperation with a number of official and private organizations, notably the Bureau of Standards of the Department of Commerce and the Forest Products Laboratory of the Forest Service, Department of Agriculture.
Page 51 - Commerce, comprises about 200 members representing manufacturers, distributors, and consumers of forest products. Its object Is to work for closer utilization of our country's timber resources. The committee, whose headquarters are in the Department of Commerce. Washington, DC, works in close cooperation with a number of...